Compute the formula weight for acetic acid, CH3COOH, the active ingredient in vinegar (Show calculation step by step)

science

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CHE101
Full Name:
NSU Student id:
Section:                                                                    April10
, 2020

 

Assignment# 1                                                          Total points: 10

 

 

  1. (1 point each)  Categorize each molecule below by writing P (polar) or N  (nonpolar) in the boxes provided.

 

 

                                                                                                  ..

                                                                                      H        F :

                                                                                                  ..

     H                      O                    

           

                        C                     H                                                  H      H

 


                 H     H                                                        H                     C

                                                                       

                                                                                                C                     H

 

                                                                                         H      H

 

 

2.   (4 points) Compute the formula weight for acetic acid, CH3COOH, the active ingredient in vinegar (Show calculation step by step)

 

 

 

 

 

 

 

3.   (2 points) How many moles of sodium chloride (NaCl, formula weight 58.44 grams) are contained in a 100.0 gram sample? (Show calculation step by step)

 

 

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